{"id":487,"date":"2022-05-17T21:38:04","date_gmt":"2022-05-17T13:38:04","guid":{"rendered":"\/\/www.100wfx.com\/?p=487"},"modified":"2022-05-17T21:38:04","modified_gmt":"2022-05-17T13:38:04","slug":"uwb%e8%8a%af%e7%89%87%e6%8b%86%e8%a7%a3%e6%af%94%e8%be%83%e8%8b%b9%e6%9e%9cairtag-vs-%e4%b8%89%e6%98%9f-smarttag","status":"publish","type":"post","link":"\/\/www.100wfx.com\/uwbtech\/487.html","title":{"rendered":"UWB\u82af\u7247\u62c6\u89e3\u6bd4\u8f83:\u82f9\u679cAirTag VS \u4e09\u661f SmartTag"},"content":{"rendered":"
UWB\u82af\u7247\u7684\u4e3b\u8981\u6c11\u95f4\u5e94\u7528\u5c31\u662fTag\u7c7b\u4ea7\u54c1\uff0c\u6bd4\u8f83\u6d41\u884c\u7684\u6709\u82f9\u679c\u516c\u53f8\u7684AirTag\u548c\u4e09\u661f\u7684SmartTag\u3002<\/p>\n
\u90a3\u4e48\u56fd\u5916\u5a92\u4f53techinsights\u5bf9\u5176\u8fdb\u884c\u4e86\u62c6\u89e3\uff0c\u7531EETOP\u8fdb\u884c\u4e86\u7f16\u8bd1\u3002<\/p>\n
\u539f\u6587\u5730\u5740\uff1a techinsights com\/blog\/samsung-smarttag-apple-airtag-ultra-wide-band-device-comparison<\/p>\n
\u7b80\u5355\u4ecb\u7ecdUWB\uff1a<\/p>\n
\u4e0e\u84dd\u7259\u4e00\u6837\uff0cUWB \u662f\u4e00\u79cd\u77ed\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u3001\u57fa\u4e8e\u65e0\u7ebf\u7535\u7684\u901a\u4fe1\u6280\u672f\uff0c\u5176\u4e3b\u8981\u76ee\u7684\u662f\u7528\u4e8e\u4f4d\u7f6e\u53d1\u73b0\u548c\u8bbe\u5907\u6d4b\u8ddd\u3002\u4f46\u662f\uff0cUWB \u63d0\u4f9b\u4e86\u8bb8\u591a\u4e0d\u540c\u7684\u529f\u80fd\uff0c\u4f8b\u5982\u5feb\u901f\u53ef\u9760\u7684\u6587\u4ef6\u5171\u4eab\u529f\u80fd\u548c\u5b89\u5168\u4ea4\u6613\u3002<\/p>\n
\u5728\u8fd9\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u5c06\u5206\u6790\u4e00\u4e0b\u4e09\u661fEI-T7300 (SmartTag+) \u4e2d\u7684NXP SR040 UWB \u6536\u53d1\u5668\u5904\u7406\u5668\u82af\u7247\u3002\u5e76\u4e0e\u82f9\u679cAirTag UWB\u82af\u7247\u505a\u4e00\u4e0b\u7b80\u5355\u6bd4\u8f83\u3002<\/p>\n
UWB\u82af\u7247\u62c6\u89e3\u6bd4\u8f83<\/p>\n NXP \u7684SR040 \u91c7\u7528 QFN \u5c01\u88c5\uff0c\u8be5\u5c01\u88c5\u7531\u4e00\u4e2a\u5f15\u7ebf\u952e\u5408\u5230\u5f15\u7ebf\u6846\u67b6\u7684\u5355\u4e2a\u7ba1\u82af\u7ec4\u6210\u3002\u8fd9\u4e9b\u6d4b\u91cf\u7684\u5173\u952e\u5c3a\u5bf8\u4ee5\u53ca\u89c2\u5bdf\u5230\u7684\u6676\u4f53\u7ba1\u7279\u5f81\u8868\u660e\uff0cSR040 \u82af\u7247\u4f7f\u7528\u7684\u662f\u53f0\u79ef\u7535\u7684 40 nm CMOS \u5de5\u827a\u3002<\/p>\n <\/p>\n SR040 \u82af\u7247\u7531\u4e00\u4e2a UWB \u6a21\u62df\u524d\u7aef\u6536\u53d1\u5668\u3001\u51e0\u4e2a\u7535\u6e90\u7ba1\u7406\u7535\u8def\u3001SRAM \u5b58\u50a8\u5668\u3001\u4e00\u4e2a ARM CortexCPU \u548cGPIO \u7ec4\u6210\u3002<\/p>\n \u8ba9\u6211\u4eec\u66f4\u6df1\u5165\u5730\u4e86\u89e3\u4e00\u4e0b UWB \u6a21\u62df\u524d\u7aef\u6536\u53d1\u5668\u3002<\/p>\n UWB \u6536\u53d1\u5668\u53ef\u5206\u4e3a\u4e24\u534a\u3002\u5728\u4e0b\u534a\u90e8\u5206\uff0c\u6211\u4eec\u627e\u5230\u5c04\u9891\u4fe1\u53f7\u8def\u5f84\uff0c\u800c\u5c04\u9891\u548c\u4e2d\u9891 PLL \u5728\u4e0a\u534a\u90e8\u5206\u3002\u63a5\u6536\u5668\u548c\u53d1\u5c04\u5668\u4e4b\u95f4\u5171\u4eab\u4e00\u4e2a\u5c04\u9891\u8fde\u63a5\u57ab\u3002 <\/p>\n \u9664\u4e86\u8fd9\u4e24\u79cd\u8bbe\u5907\u5177\u6709\u76f8\u4f3c\u7684\u88f8\u7247\u5c3a\u5bf8\u5e76\u4e14\u7531\u53f0\u79ef\u7535\u4f5c\u4e3a\u5176\u4ee3\u5de5\u5382\u8fd9\u4e00\u4e8b\u5b9e\u4e4b\u5916\uff0c\u5b83\u4eec\u662f\u975e\u5e38\u4e0d\u540c\u7684\u3002\u4f8b\u5982\uff0cSR040 \u7684 UWB \u6536\u53d1\u5668\u548c\u7535\u6e90\u7ba1\u7406\u5360\u636e\u4e86 45% \u7684\u82af\u7247\u9762\u79ef\uff0c\u800c\u82f9\u679c U1 \u4ec5\u5360 33%\u3002\u5728\u5904\u7406\u5668\u548c\u5185\u5b58\u533a\u57df\u65b9\u9762\uff0cSR040\u536037%\uff0c\u82f9\u679cU1\u536057%\u3002SR040 \u7684\u5de5\u827a\u4e3a 40 nm\uff0c\u4f7f\u7528 8 \u4e2a\u91d1\u5c5e\u5c42\u5f62\u6210\uff0c\u800c Apple U1 \u7684\u5de5\u827a\u4ee3\u4e3a 16 nm\uff0c\u4f7f\u7528 13 \u4e2a\u91d1\u5c5e\u5c42\u5f62\u6210\u3002<\/p>\n","protected":false},"excerpt":{"rendered":" UWB\u82af\u7247\u7684\u4e3b\u8981\u6c11\u95f4\u5e94\u7528\u5c31\u662fTag\u7c7b\u4ea7\u54c1\uff0c\u6bd4\u8f83\u6d41\u884c\u7684\u6709\u82f9\u679c\u516c… <\/p>\n","protected":false},"author":1,"featured_media":493,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[2],"tags":[12,71],"class_list":["post-487","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uwbtech","tag-airtag","tag-smarttag"],"yoast_head":"\n
\n\u63a5\u6536\u8def\u5f84\u5305\u62ecLNA\u53ca\u5176\u8f93\u5165\u5339\u914d\u7535\u8def\u3001RX\u6b63\u4ea4\u4e0b\u53d8\u9891\u6df7\u9891\u5668\u3001\u4e00\u5bf9\u65e0\u6e90\u6ee4\u6ce2\u5668\u3001\u4e00\u5bf9\u7531\u4e24\u4e2a\u4e8c\u7ea7\u7ec4\u6210\u7684\u6709\u6e90\u6ee4\u6ce2\u5668\uff0c\u4ee5\u53ca\u4e00\u5bf9\u65f6\u95f4\u4ea4\u9519ADC\uff0c\u6bcf\u4e2aADC\u5305\u542b\u9010\u6b21\u903c\u8fd1\u5b50ADC\u3002
\n\u53d1\u5c04\u8def\u5f84\u5305\u62ec\u7531\u4e24\u4e2a\u7ea7\u8054\u5b50DAC\u3001\u4e0a\u8f6c\u6362TX\u6df7\u9891\u5668\u3001\u529f\u7387\u653e\u5927\u5668\u548cBALUN\u53d8\u538b\u5668\u7ec4\u6210\u7684TX DAC\u3002
\nRF PLL \u5305\u62ec\u76f8\u540c\u7684\u57fa\u4e8e LC \u8c10\u632f\u56de\u8def\u7684\u632f\u8361\u5668\u3002\u63a5\u6536\u5668\u6240\u9700\u7684\u6b63\u4ea4\u76f8\u4f4d\u5728\u632f\u8361\u5668\u9644\u8fd1\u751f\u6210\uff0c\u5e76\u4f7f\u7528\u5dee\u5206\u5171\u9762\u4f20\u8f93\u7ebf\u53d1\u9001\u5230\u5b83\u4eec\u7684\u76ee\u7684\u5730\u3002\u53d1\u5c04\u5668\u4f7f\u7528\u76f8\u540c\u7684\u4e24\u4e2a\u76f8\u4f4d\u4e4b\u4e00\u3002\u7531\u4e8e\u53d1\u5c04\u673a\u7684 IF \u90e8\u5206\u4e0d\u662f\u6b63\u4ea4\u7684\uff0c\u56e0\u6b64\u5fc5\u987b\u5728 RF PLL \u4e2d\u751f\u6210\u76f8\u4f4d\u8c03\u5236\uff0c\u5e76\u5c06\u5176\u65bd\u52a0\u5728\u6df7\u9891\u5668\u4e2d\u7684\u4fe1\u53f7\u4e0a\u3002RX ADC \u548c TX DAC \u7684\u65f6\u949f\u5728\u5305\u542b\u4e09\u7ea7\u5dee\u5206 CMOS \u73af\u5f62\u632f\u8361\u5668\u7684 IF PLL \u4e2d\u751f\u6210\u3002<\/p>\n
\n\u73b0\u5728\u8ba9\u6211\u4eec\u5feb\u901f\u6bd4\u8f83\u4e00\u4e0bNXP SR040 UWB\u548c\u82f9\u679cU1 (TMKA75 Die) UWB\u7684\u529f\u80fd\uff0c\u540e\u8005\u53d6\u81ea\u82f9\u679cAirTag\u3002<\/p>\n